TY  - JOUR
AU  - Hamann, W
AU  - Dunnebeil, G
AU  - Koesterke, L
AU  - Schmutz, W
AU  - Wessolowski, U
C2  - Astronomy & Astrophysics
DA  - 1991-01-01
LA  - en
M1  - 249
PB  - Astronomy & Astrophysics
PY  - 1991
TI  - Spectral analyses of Wolf-Rayet stars: hydrogen abundances in WN subtypes
ER  -